6932638491 has 8 divisors (see below), whose sum is σ = 9243914304. Its totient is φ = 4621560840.

The previous prime is 6932638477. The next prime is 6932638507. The reversal of 6932638491 is 1948362396.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6932638491 - 2¹⁵ = 6932605723 is a prime.

It is a super-2 number, since 2×6932638491² = 96122952893789514162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6932638411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81960 + ... + 143466.

It is an arithmetic number, because the mean of its divisors is an integer number (1155489288).

Almost surely, 2^6932638491 is an apocalyptic number.

6932638491 is a deficient number, since it is larger than the sum of its proper divisors (2311275813).

6932638491 is a wasteful number, since it uses less digits than its factorization.

6932638491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99081.

The product of its digits is 1679616, while the sum is 51.

The square root of 6932638491 is about 83262.4674808524. The cubic root of 6932638491 is about 1906.7753022231.

The spelling of 6932638491 in words is "six billion, nine hundred thirty-two million, six hundred thirty-eight thousand, four hundred ninety-one".